This is the main rubber coupling for the lower steering column. It can be used on the early columns but you may also need 4 bolts SPC3244, 8 washers WHT002850 and 8 nuts  UA302Z...

This is the lower bearing on the steering column input shaft Detroit joint that sits inside the rubber gaiter. 2 Bearing Per Detroit (Sold Each) 1966-1977 Silver Shadow, Bentley T, Corniche (VIN...

This is the end button on the lower Detroit joint steering column that retains bearing UR15782. 2 required per car, sold separately  1966-1980 Models VIN# 10984-26708